NotesFrom what I can tell Ertl only made
3 kinds of "tanks". And they made them in two different years...
1988 and 1989. The ones made in 1988 have the name of the "tank"
in purple, and the ones from 1989 have the tanks name in yellow.

Hardest to Find MintAll are kind of hard to find, but
lately they have been popping up on eBay a lot.